Data Are The Averages Of Monthly High And Low Prices As Reported In The"Oil, Paint, And Drug Reporter". Weber And Alsberg Computations For All Years Except 1918-1925, For Which Data Are From "Statistics Of Fats, Oils, And Oleaginous Raw Materials", Usda Statistical Bulletin No. 24, September 1928, P. 62. Source: Food Research Institute, Stanford University, "Fats And Oils Studies" No. 5 , June 1934:"The American Vegetable-Shortening Industry" By G.M. Weber And C.L. Alsberg, P. 347
This NBER data series m04122a appears on the NBER website in Chapter 4 at http://www.nber.org/databases/macrohistory/contents/chapter04.html.
NBER Indicator: m04122a
Release: NBER Macrohistory Database
National Bureau of Economic Research, Wholesale Price of Compounds for New York [M0422AUS000NYM267NNBR], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/M0422AUS000NYM267NNBR/, September 2, 2015.